The Kyocera Dura XE is a flip phone running Android Lollipop 5.2. I’ve enabled developer mode, usb debugging and all the “verify stuff” options are unchecked and “Unknown Sources” is on in Security Settings.

Basically, I’ve done all the stuff there is to do on the phone. When I try to install an apk from file, on the phone I get “Install Blocked” and when I try to install an apk from adb, I get

Failure [INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES]

I’ve resigned the packages and still doesn’t work, I can’t even install a hello world app I build myself in Android Studio. Kingroot doesn’t work (yet, although I’ve read forums where it has worked). It seems like ATT has got this thing very locked down.

All I really want to do is put a couple scripts on the thing to download podcasts for me (which is all I really miss from giving up my “smart” phone), so maybe I’ll ask another question if this one is unanswerable. But, what’s up with this phone.

I’ve read almost every deadend forum post, tutorial and guide you’re gonna get by binging it or googling it or searx’ing it or duckduckgoing it.

I’m not sure how to get it into fastboot mode either, it’s not vol-down + power (I did wind up in ‘safe mode’ once, but I don’t know what that is)

What I really want is to know where I can get more debug information so I can figure out why it doesn’t want to install any APK files.

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